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[edit] Last updated: Thu, 23 May 2013

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log10

(PHP 4, PHP 5)

log10 — Base-10 logarithm

Descrierea

float log10 ( float $arg )

Returns the base-10 logarithm of arg.

Parametri

arg

The argument to process

Valorile întoarse

The base-10 logarithm of arg

Vedeți de asemenea

  • log() - Natural logarithm



add a note add a note User Contributed Notes log10 - [2 notes]
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jphansen at uga dot edu
1 year ago
Alternatively log(x, 10) may be used.
up
0
smalladi at lexgen dot com
11 years ago
Note that log of a negative or undefined number returns -Infinity.
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